Cath had twenty-five perfect days with her newborn daughter before Mia's deadly illness was diagnosed. As her life implodes, Cath’s despair drives her to a parental support group where she meets a father in a similar situation, the dangerously attractive Richard—charming, handsome and adamant that a cure for their children lies just over the horizon: everything Cath wants to believe. Their affair—and the chance to escape reality—is unavoidable, but carries catastrophic consequences: the nature of Mia’s illness means that Cath’s betrayal endangers not just her marriage but the life of her baby. Can she stop herself before it’s too late?